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Transport in Porous Media

, Volume 106, Issue 3, pp 595–610 | Cite as

Free Convection in a Square Cavity Filled with a Porous Medium Saturated by Nanofluid Using Tiwari and Das’ Nanofluid Model

  • M. A. Sheremet
  • T. Grosan
  • I. PopEmail author
Article

Abstract

Free convection in a square differentially heated porous cavity filled with a nanofluid is numerically investigated. The mathematical model has been formulated in dimensionless stream function and temperature taking into account the Darcy–Boussinesq approximation. The Tiwari and Das’ nanofluid model with new more realistic empirical correlations for the physical properties of the nanofluids has been used for numerical analysis. The governing equations have been solved numerically on the basis of a second-order accurate finite difference method. The developed algorithm has been validated by direct comparisons with previously published papers and the results have been found to be in good agreement. The results have been presented in terms of the streamlines, isotherms, local, and average Nusselt numbers at left vertical wall at a wide range of key parameters.

Keywords

Free convection Square cavity Porous media Nanofluids  Numerical method 

Notes

Acknowledgments

This work of M.A. Sheremet was conducted as a government task of the Ministry of Education and Science of the Russian Federation, Project Number 13.1919.2014/K.

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Department of Theoretical Mechanics, Faculty of Mechanics and MathematicsTomsk State UniversityTomskRussia
  2. 2.Institute of Power EngineeringTomsk Polytechnic UniversityTomskRussia
  3. 3.Department of Applied MathematicsBabeş-Bolyai UniversityCluj-NapocaRomania

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